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Finding the Fourth Proportional to 56,803.81, 85,111.55 and 34,549.87

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Solution

The fourth proportional to 56,803.81, 85,111.55 and 34,549.87 is: 51,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,803.81 : 85,111.55 = 34,549.87 : x
  2. Step 2: Convert to fraction form
    56,803.81/85,111.55 = 34,549.87/x
  3. Step 3: Cross multiply
    56,803.81x = 85,111.55 × 34,549.87
  4. Step 4: Simplify right side
    56,803.81x = 2,940,592,988.00
  5. Step 5: Solve for x
    x = 2,940,592,988.00/56,803.81
  6. Step 6: Final answer
    x = 51,767.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.